Pretty Little Liars Season 3 Spoilers: Who Is the "Mysterious Figure" in Episode 20?

Pretty Little Liars is filled with mystery, and now there's yet another mystery to ponder as we wait for the Season 3 winter season.Read spoilers at your own risk! For more on Wetpaint Entertainment's philosophy on spoilers, click here.The cast and crew are currently filming Season 3, Episode 20. Yesterday (October 4), a fan asked PLL writer Andy Reaser which actors were on set filming, and he replied "Emily Ashley Hanna Paige CeCe Wren Wilden and a mysterious figure."Long list! We're excited about the return of characters like Wren (Julian Morris), Wilden (Bryce Johnson), and CeCe, but we're particularly intrigued by the "mysterious figure." Who do you think that is? Toby (Keegan Allen)? Another member of the "A" team? Someone in one of those creepy doll costumes? (Hey, we're just spitballing here!)What do you make of this tweet? Why do you think Andy wouldn't share who that last person is? Let us know your theories in the comments below.Find more Pretty Little Liars spoilers here.Don’t miss the next new episode of PLL, the Halloween special,on Tuesday, October 23 at 8 p.m. ET/PT onABC Family.Source: @AndyReaserRebecca Martin is an editor at Wetpaint Entertainment. Follow her on Twitter@BeccaMartin47. Get your Pretty Little Liars fix:Like us on Facebook and Follow uson Twitter andTumblr!